5.20 kJ of heat is required to convert a 9.00 g sample of aldehyde from the liquid to gas phase. The heat that is
required to convert an 18.0 g sample of aldehyde from the
liquid to gas phase is required to convert 26.4 g sample of
benzene from the liquid to gas phase. What is the heat of
vaporization of benzene in J/g?
J/g

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory